Effect of ambient density and orifice diameter on gas entrainment by a single-hole diesel spray

被引：33
|
作者：
Sepret, V. [1 ]
Bazile, R. [1 ]
Marchal, M. [1 ]
Couteau, G. [1 ]
机构：
[1] Univ Toulouse INPT, UPS, IMFT, F-31400 Toulouse, France
来源：
EXPERIMENTS IN FLUIDS | 2010年 / 49卷 / 06期
关键词：
Particle Image Velocimetry; Mass Flow Rate; Nozzle Diameter; Penetration Length; Diesel Spray;
D O I：
10.1007/s00348-010-0869-1
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The gas entrainment into a non-vaporizing single-hole Diesel spray submitted to variable density is studied experimentally in order to better understand the effect on mixture formation. Particle Image Velocimetry on fluorescent tracers has been applied to obtain measurement in the flow field surrounding the spray. The "quasi-steady'' region of the spray (far from the head vortex) as well as the non-stationary region has been investigated. Significant effects of both ambient density and nozzle diameter on gas entrainment have been pointed out.
引用
收藏
页码：1293 / 1305
页数：13
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